Begin obedience training by teaching your Mastiff to walk nicely on a leash. Let him walk ahead of you a bit on the long lead. As he begins to pull, pop the leash firmly (using the slip chain collar) to get his attention. Say the word "Easy" loudly and firmly, then change your direction. The idea is to get him to stop, look at you and then change direction with you.
Be sure to praise him when he does this. This command also works in teaching him to walk slowly alongside you without pulling. Just use the same technique, but without changing your direction. It is important not to tug or haul him around with that leash. He should be learning to follow you with a very loose lead. Pulling will only cause more problems. The "Easy" command can also be used as a correction if he is acting aggressive towards a person or another animal. Be sure you keep your voice strong.
Mastiff - Dog Lover
